Navien CH-180 Installation Manual page 69

In-Floor Radiant Heating System and Baseboard Heating System
Combination Water Heater
AC 24V
Y R
SWITCH MOVE TO ON POSITION
Fan-Assisted Hydro Heating System
Combination Water Heater
AC 24V
Y R
BR CN RD WH
AIR HANDLER
SWITCH MOVE TO OFF POSITION
Room Thermostat (with Battery)
A / H
C o o l i n g H e a t i n g
W R G Y
BR GN RD WH
W R G Y
R O O M T H F R M O S TAT
FIELD WIRING
A/H
Cooling Heating Heating
W R G Y
BR GN RD WH
W R G Y
ROOM THFRMOSTAT
FIELD WIRING
T / S
H e a t i n g C o o l i n g
ON
OFF
T/S
Cooling
ON
OFF
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